Math Problem Statement
Solution
The problem asks to evaluate the limit based on the provided graph of the function .
Step-by-step analysis:
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Behavior near : We observe that as approaches 3 from the left and right, the function appears to approach a value, but there is a dot at indicating a hole or discontinuity.
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Left-hand and right-hand limits:
- As (from the left), the function values seem to get closer to .
- As (from the right), the function also appears to approach .
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Discontinuity: The point is shown as a solid dot, meaning the function might be discontinuous at . However, this does not affect the limit; we only care about the behavior as approaches 3, not the actual value of .
Conclusion:
Both the left-hand and right-hand limits approach , so the overall limit is .
Final Answer:
The correct choice is -3.
Would you like any additional details or have any further questions?
Here are five related questions you can explore:
- What is the significance of the solid dot at ?
- How do left-hand and right-hand limits affect the existence of a limit?
- What is the difference between a limit and the function value at a point?
- What types of discontinuities can occur, and how do they impact limits?
- How do you handle limits at infinity based on graphical behavior?
Tip: When evaluating limits graphically, always check both sides (left and right) to confirm whether they approach the same value.
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Math Problem Analysis
Mathematical Concepts
Limits
Graphical Analysis
Discontinuities
Formulas
Limit definition: lim (x -> a) f(x)
Theorems
Left-hand limit theorem
Right-hand limit theorem
Limit existence theorem
Suitable Grade Level
Grades 10-12